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Emerald|Lab Grown|IGI

1.71ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG800621125

Shape and cutting style on the report: Emerald cut

Certificate IGI LG800621125

Diamond specifications and retailer prices

From £444 GBP
$595 USD
As of October 30, 2026
Save £1,970 GBP (82%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,414 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.71ct lab-grown emerald diamond

This 1.71ct lab-grown emerald sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800621125 or 800621125. Listed at 6 retailers as of October 28, 2026, with prices from £444 to £2,414, a £1,970 spread on the same certified stone. Rare Carat lists it at £2,414. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800621125
Dimensions8.15 × 5.78 × 3.70 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.15 mm5.78 mm1.71 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800621125
Side View
Table 64.0%Crown 40.6°Girdle: MediumPavilion 38.6°Culet: LargeDepth 64.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,414 GBP|Low: £444 GBP|High: £2,418 GBP|Avg: £893 GBP|-0.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 4£444 GBP
Retailer 3£471 GBP
Retailer 6£512 GBP
Retailer 7£543 GBP
Retailer 8£584 GBP
Retailer 5£740 GBP
Retailer 10£1,059 GBP
Retailer 2£1,092 GBP
Retailer 9£1,626 GBP
Rare Carat£2,414 GBP

22 data points across 10 retailers

6 retailers£444 GBP to £2,414 GBP

A
Cheapest Retailer
-
£444 GBP
$595 USD
A
Retailer 2
-
£471 GBP
$631 USD
View
A
Retailer 3
-
£512 GBP
€653 EUR
View
A
Retailer 4
-
£740 GBP
$992 USD
View
B+
Retailer 5
-
£1,092 GBP
View
Most Expensive
B
Rare Carat
ME-806-129 · Oct 28
£2,414 GBP
$3,235 USD
View
5 more retailers have this diamond
Prices start from £444 GBPSave up to £1,970 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.71ct Emerald
£444 GBP